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Catalytic cross-coupling of diazo compounds with coinage metal-based catalysts: An experimental and theoretical study

 

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Opened Access Catalytic cross-coupling of diazo compounds with coinage metal-based catalysts: An experimental and theoretical study
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Author: Rivilla, Iván
Sameera, W.M.C.
Álvarez González, Eleuterio
Díaz-Requejo, M. Mar
Maseras, Feliu
Pérez, Pedro J.
Date: 2013
Published in: Dalton Transactions, 42, 4132-4138.
Document type: Article
Abstract: We examined the ability of TpxM (Tpx = hydrotris(pyrazolyl)borate ligand; M = Cu and Ag) and IPrMCl (IPr = 1,3-bis(diisopropylphenyl)imidazol-2-ylidene; M = Cu, Ag, Au) complexes as catalyst precursors for the cross-coupling of diazo compounds. Experimental data showed that the metal centre can be tuned with the appropriate selection of the ligand to yield either the homo- or hetero-coupling (cross-coupling) products. A computational study of the reaction mechanism allowed the rationalization of the experimental reactivity patterns, and the identification of the key reaction step controlling the selectivity: the initial reaction between the metallocarbene intermediate and one of the diazo compounds.
Cite: Rivilla, I., Sameera, W.M.C., Álvarez González, E., Díaz-Requejo, M.M., Maseras, F. y Pérez, P.J. (2013). Catalytic cross-coupling of diazo compounds with coinage metal-based catalysts: An experimental and theoretical study. Dalton Transactions, 42, 4132-4138.
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URI: https://hdl.handle.net/11441/78891

DOI: 10.1039/C2DT32439C

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